public static void main(String args[]) throws IOException { Console c = System.console(); if (c == null) { System.err.println("No console."); System.exit(1); } String login = c.readLine("Enter your login: "******"Enter your old password: "******"Enter new password: "******"Reenter new password: "******"Passwords don't match. Try again. %n"); } else { change(login, newPassword1); c.format("Password for %s changed.%n", login); } Arrays.fill(newPassword1, ' '); Arrays.fill(newPassword2, ' '); } while (noMatch); } String op = new String(oldPassword); System.out.println("oldPassword: "******"Unicode character at password position " + i + ": " + op.codePointAt(i)); i++; } Arrays.fill(oldPassword, ' '); String op2 = new String(oldPassword); System.out.println("oldPassword: " + op2 + op2.length()); }
public static void main(String[] args) { Console console = System.console(); if (console == null) { System.err.println("No console."); System.exit(1); } while (true) { Pattern pattern = Pattern.compile(console.readLine("%nEnter your regex: ")); Matcher matcher = pattern.matcher(console.readLine("Enter input string to search: ")); boolean found = false; while (matcher.find()) { console.format( "I found the text" + " \"%s\" starting at " + "index %d and ending at index %d.%n", matcher.group(), matcher.start(), matcher.end()); found = true; } if (!found) { console.format("No match found.%n"); } } }
@Override public TextDevice printf(String fmt, Object... params) throws ConsoleException { console.format(fmt, params); return this; }
@Override public synchronized void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException { final Console console = System.console(); if (console == null) throw new IOException("Console not available"); for (Callback callback : callbacks) { if (callback instanceof PasswordCallback) { final PasswordCallback password = (PasswordCallback) callback; final String prompt = getDefault(password.getPrompt(), "Enter password"); char[] answer = console.readPassword("\u001b[34m%s\u001b[0m: ", prompt); if (answer == null) throw new EOFException(); password.setPassword(answer); } else if (callback instanceof NameCallback) { final NameCallback name = (NameCallback) callback; final String prompt = getDefault(name.getPrompt(), "Enter name"); final String defaultName = name.getDefaultName(); if (defaultName == null) while (true) { final String answer = console.readLine("\u001b[34m%s\u001b[0m: ", prompt); if (answer == null) throw new EOFException(); if (answer.length() == 0) continue; name.setName(answer); break; } else { final String answer = console.readLine( "\u001b[34m%s\u001b[0m [\u001b[36m%s\u001b[0m]: ", prompt, defaultName); if (answer == null) throw new EOFException(); if (answer.length() == 0) name.setName(defaultName); else name.setName(answer); } } else if (callback instanceof TextInputCallback) { final TextInputCallback input = (TextInputCallback) callback; final String prompt = getDefault(input.getPrompt(), "Enter value"); final String defaultText = input.getDefaultText(); if (defaultText == null) while (true) { final String answer = console.readLine("\u001b[34m%s\u001b[0m: ", prompt); if (answer == null) throw new EOFException(); if (answer.length() == 0) continue; input.setText(answer); break; } else { final String answer = console.readLine( "\u001b[34m%s\u001b[0m [\u001b[36m%s\u001b[0m]: ", prompt, defaultText); if (answer == null) throw new EOFException(); if (answer.length() == 0) input.setText(defaultText); else input.setText(answer); } } else if (callback instanceof TextOutputCallback) { final TextOutputCallback output = (TextOutputCallback) callback; final String message = output.getMessage(); switch (output.getMessageType()) { case TextOutputCallback.INFORMATION: console.format("\u001b[32m%s\u001b[0m\n", message); break; case TextOutputCallback.WARNING: console.format("\u001b[33mWARNING: %s\u001b[0m\n", message); break; case TextOutputCallback.ERROR: console.format("\u001b[31mERROR: %s\u001b[0m\n", message); break; default: console.format("\u001b[35m??? [%d]: %s\u001b[0m\n", output.getMessageType(), message); break; } } else { throw new UnsupportedCallbackException(callback, "Callback type not supported"); } } }